April's niece Becky, is in desperate need of a bone marrow transplant. At the same time, a fierce thunderstorm completely cripples the city's telephone network and the hospital is unable to access the donor database. Michael and K.I.T.T. come to the rescue with K.I.T.T. contacting the database and listing the compatible donors. Only one, "Julio Rodriguez", can be located. The problem is, Julio is a member from a gang named "The Vengadors", and he's currently on the run from the "Conquerors", a rival gang who thinks he shot their leader Jimmy during a fight. Now, the "Conquerors" gang is led by Jimmy's lieutenant, Ric.